[EuroPython] Website things

[Samuele Pedroni]

Jacob Hallén wrote:
> Hi all.
> 
> We are now public with the webiste. Information will go out tomorrow.
> 
> I think I have the talk registration fully working now. Please report any bugs 
> you find. We are also officially open for talk submissions,

I fixed some inner anchors mismatch and problems on the propose a talk 
page, now all the links in the overview bring you to the corresponding para.